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Senior Software Engineer Spain, Barcelona Jobs

14 Job Offers

Senior Software Engineer
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Senior Software Engineer role in Barcelona, Spain, with Microsoft’s Azure Data team. You will design and operate reliable platform capabilities for Power BI, Office, and Teams, building SDKs, APIs, and CI/CD pipelines. Requires expertise in TypeScript, C#, .NET, Azure services, and production eng...
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Spain , Barcelona
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62500.00 - 106600.00 EUR / Year
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Microsoft Corporation
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Senior Software Engineer - Backend
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Join Microsoft’s Azure Data Engineering team in Barcelona as a Senior Backend Software Engineer. You will design, build, and support large-scale services for products like Microsoft Fabric and Azure SQL DB. We seek expertise in C, C++, C#, Java, or Python, with a passion for cloud-scale systems a...
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Spain , Barcelona
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Not provided
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Microsoft Corporation
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Senior Software Engineer - Fullstack
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Join Microsoft’s Azure Data Engineering team in Barcelona as a Senior Fullstack Software Engineer. Drive innovation on products like Microsoft Fabric and Azure SQL DB, leveraging AI to build scalable, high-performance data solutions. Requires a Bachelor’s in CS, fullstack coding expertise (C#, Ja...
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Spain , Barcelona
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Not provided
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Microsoft Corporation
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Senior Software Engineer (Back-end)
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Spain , Barcelona; Madrid
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Not provided
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SITA
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Senior FrontEnd Software Engineer
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Spain , Barcelona
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Not provided
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Amaris Consulting
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Senior Software Engineer
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Join our Barcelona team as a Senior Software Engineer on the core C&E platform. Design and own scalable backend systems, data pipelines, and APIs that power customer segmentation and personalization. We seek an engineer experienced in SaaS architecture and high-throughput systems. Enjoy a hybrid ...
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Spain , Barcelona
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Not provided
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Bsport
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Senior Full Stack Software Engineer
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Join bsport, a leading fitness-tech platform, as a Senior Full Stack Engineer. Design scalable microservices and modern React interfaces in a dynamic, hybrid environment. Enjoy competitive compensation, equity, health insurance, and fitness perks in Barcelona or Paris.
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Spain; France , Barcelona Tasso; Paris
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Not provided
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Bsport
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Senior Software Engineer
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Join Microsoft's Ad SDK team in Barcelona as a Senior Software Engineer. Design and optimize high-performance JavaScript/TypeScript SDKs for browser environments. Tackle complex technical challenges in ad-serving technology within a global team. Requires expertise in browser internals and coding ...
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Spain , Barcelona
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Not provided
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Microsoft Corporation
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Senior Software Engineer
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Join Microsoft's Search Growth team in Barcelona as a Senior Software Engineer. Design and build scalable, consumer-facing search experiences for Bing using C++, Java, or Python. Drive data-driven decisions through A/B testing in a fast-paced, full-stack environment.
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Spain , Barcelona
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Not provided
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Microsoft Corporation
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Senior Software Engineer (GOlang)
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Join our Engine team as a Senior Software Engineer specializing in GOlang. You will build and scale the core runtime for Workato's recipe execution, focusing on performance, durability, and distributed systems. This role requires 7+ years of backend experience with scalable applications, database...
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Spain , Barcelona; Madrid
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Not provided
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Workato
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Senior Software Engineer
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Join our team in Barcelona as a Senior Software Engineer. You will build complex Ruby on Rails applications and robust backend APIs, collaborating across teams. We seek 5+ years of Rails expertise, deep Ruby knowledge, and experience with Postgres and caching. Contribute to all development phases...
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Spain , Barcelona
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Not provided
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Workato
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Senior Software Engineer
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Join our team as a Senior Software Engineer in Barcelona or Madrid. You will build complex Ruby on Rails applications and robust backend APIs, collaborating across teams. We seek 5+ years of Rails experience, deep Ruby knowledge, and expertise in Postgres and caching. Contribute to all developmen...
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Spain , Barcelona; Madrid
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Not provided
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Workato
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Senior Software Engineer
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Join Microsoft AI in Barcelona as a Senior Software Engineer. Develop a cutting-edge platform to ground Large Language Models (LLMs) with real-time web data, reducing hallucinations. You'll need expertise in backend technologies like C#/Python and cloud platforms (Azure/AWS). Build scalable, secu...
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Spain , Barcelona
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Not provided
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Microsoft Corporation
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Senior Software Engineer
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Join Flanks as a Senior Software Engineer in Barcelona. You'll build and scale a SaaS platform for wealth management, handling sensitive financial data. We seek an autonomous coder with 7+ years' experience, fluent in English/Spanish. Enjoy hybrid work, health insurance, team events, and our offi...
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Location
Spain , Barcelona
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Salary
50000.00 - 80000.00 EUR / Year
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Flanks
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About the Senior Software Engineer role

Senior Software Engineer jobs represent a pivotal career stage where technical expertise converges with leadership and strategic influence. These professionals are the cornerstone of software development teams, responsible for designing, building, and maintaining complex, scalable systems that power modern businesses. Moving beyond foundational coding tasks, senior engineers architect solutions, make critical technology decisions, and mentor others, ensuring both product excellence and team growth.

Typically, individuals in these roles undertake a broad spectrum of responsibilities. They are deeply involved in the full software development lifecycle, from requirement analysis and system design to implementation, testing, deployment, and ongoing optimization. A core duty is architectural design, where they choose appropriate technologies, design patterns, and frameworks to create robust, secure, and scalable applications. This often involves building backend services, APIs (RESTful or GraphQL), and dynamic frontend interfaces. They ensure code quality through rigorous practices like code reviews, writing comprehensive tests (unit, integration), and establishing CI/CD pipelines. Furthermore, senior software engineers frequently collaborate with cross-functional partners, including product managers, designers, and DevOps specialists, to translate business needs into technical specifications and seamless user experiences.

The skill set for these jobs is both deep and wide. Proficiency in one or more core programming languages (such as Python, Java, JavaScript/TypeScript, C#, or Go) is essential, alongside expertise in relevant frameworks and libraries for both frontend (e.g., React, Angular) and backend development. A strong grasp of data structures, algorithms, and system design principles is mandatory. Experience with cloud platforms (AWS, Azure, GCP) and their services for computing, storage, and networking is increasingly standard. Knowledge of database technologies, encompassing both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) systems, is crucial. Beyond technical acumen, senior roles demand excellent problem-solving abilities to debug complex issues and optimize performance. Soft skills are equally important; effective communication to articulate technical concepts to non-technical stakeholders, project leadership, and the ability to mentor junior developers are key differentiators.

Common requirements for Senior Software Engineer jobs usually include a bachelor’s degree in computer science or a related field, although substantial equivalent experience is often acceptable. Most positions seek candidates with 5+ years of professional software development experience, demonstrating a proven track record of shipping and maintaining production systems. Employers look for individuals who exhibit end-to-end ownership of projects, a passion for continuous learning in a rapidly evolving field, and a strategic mindset focused on long-term maintainability and business impact. For those seeking to lead through technology and drive meaningful innovation, senior software engineer jobs offer a challenging and rewarding career path at the heart of the digital world.